Head-to-head · October 2026
Improve Email Spam Score vs Yosoylu SMTP Mail Delivery
Improve Email Spam Score comes out ahead, winning 4 of 5 head-to-head checks against Yosoylu SMTP Mail Delivery.
Improve Email Spam Score
This plugin adds a email return-path and envelope-from address to the wp_mail () function. Which reduces the…
Yosoylu SMTP Mail Delivery
Yosoylu SMTP Mail Delivery routes WordPress mail through an authenticated SMTP server so messages leave your…
| Metric | Improve Email Spam Score | Yosoylu SMTP Mail Delivery |
|---|---|---|
| Active installs | 200+ | <10 |
| Downloads (30 days) | 126 | 68 |
| Download trend | -8% | -50.7% |
| Rating | — | — |
| Reviews | 0 | 0 |
| Health score | 65/100 | 60/100 |
| Last updated | 1 month ago | 1 month ago |
| Tested up to | WP 7.1.3 | WP 7.1.3 |
| Support resolved | — | — |
| Requires PHP | 5.6+ | 8.2+ |
| First released | Oct 2024 | Sep 2026 |
Daily downloads, last 90 days
Improve Email Spam ScoreYosoylu SMTP Mail Deliv…
Choose Improve Email Spam Score if…
You care most about active installs, downloads (30 days) and download trend.
- Tested with the latest WordPress (7.1)
- Small user base (200+ active installs)
- Very few reviews so far
Choose Yosoylu SMTP Mail Delivery if…
You care most about last updated.
- Tested with the latest WordPress (7.1)
- Small user base (<10 active installs)
- Very few reviews so far
- Needs PHP 8.2 or newer
FAQ
Improve Email Spam Score vs Yosoylu SMTP Mail Delivery: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 17, 2026
Which is better, Improve Email Spam Score or Yosoylu SMTP Mail Delivery?
Improve Email Spam Score comes out ahead, winning 4 of 5 head-to-head checks against Yosoylu SMTP Mail Delivery. Choose Improve Email Spam Score if you care most about active installs, downloads (30 days) and download trend. Choose Yosoylu SMTP Mail Delivery if you care most about last updated.
Is Improve Email Spam Score more popular than Yosoylu SMTP Mail Delivery?
Improve Email Spam Score is the more popular of the two with 200+ active installs, compared with <10 for Yosoylu SMTP Mail Delivery.
Can I use Improve Email Spam Score and Yosoylu SMTP Mail Delivery together?
Both plugins cover email and phpmail, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are Improve Email Spam Score and Yosoylu SMTP Mail Delivery free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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